How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Use this procedure to troubleshoot the multiplex communication system.
The Techstream should be used in step 2.

VEHICLE BROUGHT TO WORKSHOP

CHECK FOR DTC

Check for DTCs and note any codes that are output.
Delete the DTC.

Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.

Result

DTC RESULT TABLE

Result	Proceed to
DTC does not recur	A
DTC recurs	B

B: GO TO DTC TABLE

A: GO TO NEXT STEP

OVERALL ANALYSIS AND TROUBLESHOOTING
1. See TERMINALS OF ECU .
ADJUST, REPAIR OR REPLACE
CONFIRMATION TEST
NEXT: END